Patents by Inventor Chia-En Lee

Chia-En Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11984165
    Abstract: A memory device includes a plurality of word lines (WLs). The memory device includes a plurality of drivers that are each configured to control a corresponding one of the plurality of WLs and each comprise a first transistor having a first conductive type and a second transistor having a second conductive type. The first transistor of a first one of the drivers is formed in a first well of a substrate, and the second transistor of the first driver is formed in a second well of the substrate. The first well is spaced apart from the second well.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: May 14, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Ying Lee, Chia-En Huang, Chieh Lee
  • Patent number: 11955191
    Abstract: A memory device and a method of operating a memory device are disclosed. In one aspect, the memory device includes a plurality of non-volatile memory cells, each of the plurality of non-volatile memory cells is operatively coupled to a word line, a gate control line, and a bit line. Each of the plurality of non-volatile memory cells comprises a first transistor, a second transistor, a first diode-connected transistor, and a capacitor. The first transistor, second transistor, first diode-connected transistor are coupled in series, with the capacitor having a first terminal connected to a common node between the first diode-connected transistor and the second transistor.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: April 9, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Perng-Fei Yuh, Tung-Cheng Chang, Gu-Huan Li, Chia-En Huang, Chun-Ying Lee, Yih Wang
  • Patent number: 11955397
    Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate, a channel layer, a barrier layer, a compound semiconductor layer, a gate electrode, and a stack of dielectric layers. The channel layer is disposed on the substrate. The barrier layer is disposed on the channel layer. The compound semiconductor layer is disposed on the barrier layer. The gate electrode is disposed on the compound semiconductor layer. The stack of dielectric layers is disposed on the gate electrode. The stack of dielectric layers includes layers having different etching rates.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: April 9, 2024
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Shin-Cheng Lin, Cheng-Wei Chou, Ting-En Hsieh, Yi-Han Huang, Kwang-Ming Lin, Yung-Fong Lin, Cheng-Tao Chou, Chi-Fu Lee, Chia-Lin Chen, Shu-Wen Chang
  • Patent number: 11949799
    Abstract: Disclosed is an input/output circuit for a physical unclonable function generator circuit. In one embodiment, a physical unclonable function (PUF) generator includes: a PUF cell array comprising a plurality of bit cells configured in a plurality of columns and at least one row, and at least one input/output (I/O) circuit each coupled to at least two neighboring columns of the PUF cell array, wherein the at least one I/O circuit each comprises a sense amplifier (SA) with no cross-coupled pair of transistors, wherein the SA comprises two cross-coupled inverters with no access transistor and a SA enable transistor, and wherein the at least one I/O circuit each is configured to access and determine logical states of at least two bit cells in the at least two neighboring columns; and based on the determined logical states of the plurality of bit cells, to generate a PUF signature.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: April 2, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jui-Che Tsai, Shih-Lien Linus Lu, Cheng Hung Lee, Chia-En Huang
  • Publication number: 20230395749
    Abstract: A micro light-emitting element, a micro light-emitting array, a transfer method, and a display are provided. The micro light-emitting element has a side surface, a bottom surface and a top surface opposite to the bottom surface, and the top surface is a light-emitting surface. The micro light-emitting element includes a substrate arranged below the bottom surface and a transfer adhesive film covering the top surface. The transfer adhesive film does not exceed an edge of the top surface. During the laser removal of the transfer adhesive film, the adhesive adheres to the top surface and does not fall onto the substrate, thereby avoiding the generation of substrate dirt.
    Type: Application
    Filed: August 16, 2023
    Publication date: December 7, 2023
    Inventors: Zheng WU, Chia-en LEE
  • Publication number: 20230369300
    Abstract: A light-emitting assembly with a raised adhesive layer includes a substrate, an adhesive layer, a plurality of light emitting units, and a protective layer. The adhesive layer is disposed on the substrate in a first direction. The light emitting units are disposed on the adhesive layer opposite to the substrate in the first direction. Each of the light emitting units includes a first-type semiconductor layer, a second-type semiconductor layer, an active layer that is disposed between the first-type and second-type semiconductor layers, a first electrode that is electrically connected to the first-type semiconductor layer, and a second electrode that is electrically connected to the second-type semiconductor layer. The protective layer is connected between the adhesive layer and the light emitting units, and has a Shore A hardness greater than that of said adhesive layer. A light emitting apparatus is also provided herein.
    Type: Application
    Filed: July 24, 2023
    Publication date: November 16, 2023
    Inventors: Tung-Kai LIU, Shao-Ying TING, Chen-Ke HSU, Chia-En LEE
  • Patent number: 11804578
    Abstract: A micro light-emitting device includes a micro light-emitting diode and a light-emitting structure. The micro light-emitting diode includes a semiconductor light-emitting unit that emits an excitation light having a first wavelength. The light-emitting structure is disposed on the micro light-emitting diode, and is configured to be excited by the excitation light to emit an excited light having a second wavelength. The light-emitting structure is a multiple quantum well structure. A display including the micro light-emitting device is also disclosed.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: October 31, 2023
    Assignee: Xiamen San'An Optoelectronics Co., Ltd.
    Inventors: Chen-ke Hsu, Chia-en Lee, Chun-Yi Wu, Shaohua Huang
  • Patent number: 11804584
    Abstract: A micro light-emitting device includes a support substrate, at least one micro light-emitting element, and a support structure. The support structure includes a bonding layer, an electrically conductive layer, and a protective insulation layer. The micro light-emitting element is supported by the support structure on the support substrate. The micro light-emitting element includes a light-emitting structure and first and second electrodes. First and second contact regions of the first electrode are respectively connected to a supporting post portion of the electrically conductive layer and a surrounding post portion of the protective insulation layer. A production method of the device and use of the element are also disclosed.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: October 31, 2023
    Assignee: XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhibai Zhong, Chia-En Lee, Jinjian Zheng, Zheng Wu, Chen-Ke Hsu, Junyong Kang
  • Patent number: 11742334
    Abstract: A light emitting assembly includes a substrate, an adhesive layer on the substrate, and a plurality of light emitting units on the adhesive layer. Each of the light emitting units includes a first-type semiconductor layer, a second-type semiconductor layer, an active layer disposed between the first-type and second-type semiconductor layers, a first electrode electrically connected to the first-type semiconductor layer, and a second electrode electrically connected to the second-type semiconductor layer. A light emitting apparatus including the light emitting assembly is provided. Methods for making the light emitting assembly and the light emitting apparatus are provided.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: August 29, 2023
    Assignee: Xiamen San'An Optoelectronics Co., Ltd.
    Inventors: Tung-Kai Liu, Shao-Ying Ting, Chen-Ke Hsu, Chia-En Lee
  • Publication number: 20230253376
    Abstract: Disclosed is a micro light-emitting component, a micro light-emitting diode, and a transfer layer. The transfer layer has a recess for receiving the micro light-emitting diode to permit the micro light-emitting diode to be retained by the transfer layer, and is transformable from a first state, in which the transfer layer is deformed by the micro light-emitting diode to form the recess, to a second state, in which the micro light-emitting diode received in the recess is retained by the transfer layer. Also disclosed are micro light-emitting component matrix and a method for manufacturing the micro light-emitting component matrix.
    Type: Application
    Filed: March 24, 2023
    Publication date: August 10, 2023
    Inventors: Shao-Ying TING, Junfeng FAN, Chia-En LEE, Chen-Ke HSU
  • Patent number: 11616094
    Abstract: Disclosed is a micro light-emitting component, a micro light-emitting diode, and a transfer layer. The transfer layer has a recess for receiving the micro light-emitting diode to permit the micro light-emitting diode to be retained by the transfer layer, and is transformable from a first state, in which the transfer layer is deformed by the micro light-emitting diode to form the recess, to a second state, in which the micro light-emitting diode received in the recess is retained by the transfer layer. Also disclosed are micro light-emitting component matrix and a method for manufacturing the micro light-emitting component matrix.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: March 28, 2023
    Assignee: XIAMEN SAN'AN OPTOELECTRONICS CO., LTD
    Inventors: Shao-Ying Ting, Junfeng Fan, Chia-En Lee, Chen-Ke Hsu
  • Patent number: 11557580
    Abstract: A mass transfer method includes providing a transfer unit and a semiconductor carrying unit connected therewith, removing an element supporting structure of the semiconductor carrying unit from micro semiconductor elements of the semiconductor carrying unit, partially removing the photosensitive layer to form connecting structures, connecting a package substrate with electrodes of the micro semiconductor elements, breaking the connecting structures to separate the micro semiconductor elements from the transfer substrate. A mass transfer device is also disclosed.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: January 17, 2023
    Assignee: Xiamen Sanan Optoelectronics Technology Co., Ltd.
    Inventors: Zhibai Zhong, Chia-En Lee, Jinjian Zheng, Jiansen Zheng, Chen-Ke Hsu, Junyong Kang
  • Publication number: 20230006097
    Abstract: Disclosed is a light-emitting structure including a light-emitting diode and a connecting unit. The light-emitting diode includes an epitaxial laminate, a first electrode, and a second electrode. The epitaxial laminate includes a first type semiconductor layer, a second type semiconductor layer, and a light-emitting layer. The connecting unit is connected to the epitaxial laminate.
    Type: Application
    Filed: September 7, 2022
    Publication date: January 5, 2023
    Inventors: Zheng WU, Chia-En LEE, Chen-Ke HSU
  • Publication number: 20220384678
    Abstract: A micro light-emitting device includes a support structure with a cavity and at least one micro light-emitting element that includes a semiconductor structure accommodated by the cavity, at least one bridge connection member disposed on the semiconductor structure to interconnect the semiconductor structure and the support structure, and a protruding contact member disposed on at least one of the semiconductor structure and the bridge connection member and protruding therefrom to be configured to contact with a transfer means. The device is configured to contact with the transfer means at the protruding contact member of the element. A transfer method using the device is also disclosed.
    Type: Application
    Filed: August 12, 2022
    Publication date: December 1, 2022
    Inventors: Shao-ying TING, Junfeng FAN, Chia-en LEE, Chen-ke HSU
  • Publication number: 20220375992
    Abstract: A micro-LED chip includes an epitaxial layered structure, and first and second electrodes. The epitaxial layered structure includes first-type and second-type semiconductor layers, and a light emitting layer sandwiched therebetween. The first and second electrodes are electrically connected to the first-type and second-type semiconductor layers, respectively. The micro-LED chip has a first distinctive region on an electrode surface of the first electrode. The first distinctive region has a surface morphology different from that of an adjacent region of the electrode surface of the first electrode. A method for manufacturing a micro-LED device including at least one micro-LED chip is also provided.
    Type: Application
    Filed: August 8, 2022
    Publication date: November 24, 2022
    Inventors: Chia-En LEE, Chen-Ke HSU, Zheng WU
  • Publication number: 20220359786
    Abstract: A micro light-emitting diode includes a semiconductor stacked structure. The semiconductor stacked structure includes a first surface, a second surface opposite to the first surface, and a lateral surface connecting the first surface and the second surface. The first surface has a roughened portion, and the lateral surface is smooth. A micro light-emitting device including the micro light-emitting diode, and a display device including the micro light-emitting diode are also disclosed.
    Type: Application
    Filed: May 6, 2022
    Publication date: November 10, 2022
    Inventors: ZHENG WU, CHIA-EN LEE, SHUO YANG
  • Patent number: 11456400
    Abstract: Disclosed is a light-emitting diode including an epitaxial laminate, a first electrode, and a second electrode. The epitaxial laminate includes a first type semiconductor layer, a second type semiconductor layer, and a light-emitting layer. The first type semiconductor layer has an outer surface, and a recess extending inwardly from the outer surface. Also disclosed is a method for transferring the light-emitting diode.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: September 27, 2022
    Assignee: XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zheng Wu, Chia-En Lee, Chen-Ke Hsu
  • Patent number: 11424387
    Abstract: A micro-LED chip includes an epitaxial layered structure, and first and second electrodes. The epitaxial layered structure includes first-type and second-type semiconductor layers, and a light emitting layer sandwiched therebetween. The first and second electrodes are electrically connected to the first-type and second-type semiconductor layers, respectively. The micro-LED chip has a first distinctive region on an electrode surface of the first electrode. The first distinctive region has a surface morphology different from that of an adjacent region of the electrode surface of the first electrode. A method for manufacturing a micro-LED device including at least one micro-LED chip is also provided.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: August 23, 2022
    Assignee: XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chia-En Lee, Chen-Ke Hsu, Zheng Wu
  • Patent number: 11424385
    Abstract: A micro light-emitting device includes a support structure with a cavity and at least one micro light-emitting element that includes a semiconductor structure accommodated by the cavity, at least one bridge connection member disposed on the semiconductor structure to interconnect the semiconductor structure and the support structure, and a protruding contact member disposed on at least one of the semiconductor structure and the bridge connection member and protruding therefrom to be configured to contact with a transfer means. The device is configured to contact with the transfer means at the protruding contact member of the element. A transfer method using the device is also disclosed.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: August 23, 2022
    Assignee: XIAMEN SAN'AN OPTOELECTRONICS CO., LTD.
    Inventors: Shao-ying Ting, Junfeng Fan, Chia-en Lee, Chen-ke Hsu
  • Patent number: 11380829
    Abstract: A light emitting device includes a light emitting structure, first and second electrodes, and a shielding layer. The light emitting structure includes a first-type semiconductor layer, an active layer, and a second-type semiconductor layer that are stacked along a stacking direction in such order. The first electrode is electrically connected to the first-type semiconductor layer. The second electrode is electrically connected to the second-type semiconductor layer. The shielding layer is connected to aside of the light emitting structure and is adapted to absorb or reflect incident laser light.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: July 5, 2022
    Assignee: XIAMEN SAN'AN OPTOELECTRONICS CO., LTD.
    Inventors: Shao-Ying Ting, Junfeng Fan, Chia-En Lee, Chen-Ke Hsu